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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.sca.implementation.osgi.xml;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.net.URL;
import java.net.URLConnection;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
import org.apache.tuscany.sca.contribution.processor.ContributionResolveException;
import org.apache.tuscany.sca.contribution.processor.ProcessorContext;
import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor;
import org.apache.tuscany.sca.contribution.processor.ValidatingXMLInputFactory;
import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
import org.apache.tuscany.sca.core.FactoryExtensionPoint;
import org.apache.tuscany.sca.implementation.osgi.ServiceDescriptions;
/**
* The service descriptions document processor
*/
public class ServiceDescriptionsDocumentProcessor implements URLArtifactProcessor<ServiceDescriptions> {
private XMLInputFactory inputFactory;
private StAXArtifactProcessor extensionProcessor;
public ServiceDescriptionsDocumentProcessor(FactoryExtensionPoint modelFactories,
StAXArtifactProcessor staxProcessor) {
super();
this.extensionProcessor = staxProcessor;
this.inputFactory = modelFactories.getFactory(ValidatingXMLInputFactory.class);
}
public String getArtifactType() {
return "/OSGI-INF/remote-service/*.xml";
}
public ServiceDescriptions read(URL contributionURL, URI artifactURI, URL artifactURL, ProcessorContext context)
throws ContributionReadException {
InputStream is = null;
try {
URLConnection connection = artifactURL.openConnection();
connection.setUseCaches(false);
is = connection.getInputStream();
} catch (IOException e) {
ContributionReadException ce = new ContributionReadException(e);
throw ce;
}
try {
XMLStreamReader reader = inputFactory.createXMLStreamReader(is);
ValidatingXMLInputFactory.setMonitor(reader, context.getMonitor());
Object result = extensionProcessor.read(reader, context);
return (ServiceDescriptions)result;
} catch (XMLStreamException e) {
ContributionReadException ce = new ContributionReadException(e);
throw ce;
} finally {
try {
if (is != null) {
is.close();
is = null;
}
} catch (IOException ioe) {
//ignore
}
}
}
public Class<ServiceDescriptions> getModelType() {
return ServiceDescriptions.class;
}
public void resolve(ServiceDescriptions model, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException {
}
}
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